215453788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1009}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 431665920

約数和(自身を除く): 216212132

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 211, 253, 422, 506, 844, 1009, 1012, 2018, 2321, 4036, 4642, 4853, 9284, 9706, 11099, 19412, 22198, 23207, 44396, 46414, 53383, 92828, 106766, 212899, 213532, 255277, 425798, 510554, 851596, 1021108, 2341889, 4683778, 4896677, 9367556, 9793354, 19586708, 53863447, 107726894, 215453788]

約数ペア:

[(1, 215453788), (2, 107726894), (4, 53863447), (11, 19586708), (22, 9793354), (23, 9367556), (44, 4896677), (46, 4683778), (92, 2341889), (211, 1021108), (253, 851596), (422, 510554), (506, 425798), (844, 255277), (1009, 213532), (1012, 212899), (2018, 106766), (2321, 92828), (4036, 53383), (4642, 46414), (4853, 44396), (9284, 23207), (9706, 22198), (11099, 19412)]